DE239980C - - Google Patents
Info
- Publication number
- DE239980C DE239980C DENDAT239980D DE239980DA DE239980C DE 239980 C DE239980 C DE 239980C DE NDAT239980 D DENDAT239980 D DE NDAT239980D DE 239980D A DE239980D A DE 239980DA DE 239980 C DE239980 C DE 239980C
- Authority
- DE
- Germany
- Prior art keywords
- ink
- lenses
- lens
- holder
- light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000011521 glass Substances 0.000 claims description 4
- 235000015250 liver sausages Nutrition 0.000 claims 1
- 239000000463 material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 244000059549 Borneo rubber Species 0.000 description 1
- 241000031711 Cytophagaceae Species 0.000 description 1
- 229920001875 Ebonite Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 239000011022 opal Substances 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B29/00—Maps; Plans; Charts; Diagrams, e.g. route diagram
- G09B29/10—Map spot or coordinate position indicators; Map reading aids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K5/00—Pens with ink reservoirs in holders, e.g. fountain-pens
- B43K5/02—Ink reservoirs
- B43K5/12—Ink reservoirs with ink-level inspection means
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Pens And Brushes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US191100218XA | 1910-01-24 | 1910-01-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE239980C true DE239980C (OSRAM) |
Family
ID=32394076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT239980D Active DE239980C (OSRAM) | 1910-01-24 |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE239980C (OSRAM) |
| GB (1) | GB191100218A (OSRAM) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0381818A1 (en) * | 1989-01-09 | 1990-08-16 | Eduardo Sanchez Muliterno | Ink level inspection means for writing devices |
-
0
- DE DENDAT239980D patent/DE239980C/de active Active
-
1911
- 1911-01-04 GB GB191100218D patent/GB191100218A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0381818A1 (en) * | 1989-01-09 | 1990-08-16 | Eduardo Sanchez Muliterno | Ink level inspection means for writing devices |
Also Published As
| Publication number | Publication date |
|---|---|
| GB191100218A (en) | 1911-02-23 |
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